52
no no
yes yes
no no
yes yes
no
yes
No sound from
Headphone on
Dolby HP
Analog
S-Direct is
OK ?
to be chech HP
RELAY signal,
QN05 has problem
Relay
(LW01:PG04)
control is
OK?
Supply ±
15VH to
Opamp(QW01) ?
to be check ±15VH
Line,
TR(QW03-06) has
any problem
HP amp(QW01) has
any problem
96k PCM is
OK ?
Q606 has problem
BPBUSY(Q6
09:2P) is Low
level ?
HP DSP:Q608
or ROM Q653
has any problem
HP DSP:Q608
in/output stage
has any problem
OSD IC (QL04,QX05) or
no
driver QL02 QX10
have any trouble
yes
no
yes
Input to OSD IC(QL04 QX05) has trouble
Video input detection has any trouble.
To be ckeck CV-DET Y/C-DET
No picture
from Monitor
output
OSD menu is
shown?
Video Input select circutes
have problem
VCR1&2 out
are OK ?
Video output stage are no problem
OSD ICs control is no problem
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